<!doctype html>
<html lang="zh-cn">
<head>
    <meta charset="UTF-8">
    <title>圆角</title>
    <style>
        .circle .image-wrap {
            border-radius: 50%;
            box-shadow: inset 0 0 1px rgba(0, 0, 0, .8), inset 0 2px 0 rgba(255, 255, 255, .5), inset 0 -1px 0 rgba(0, 0, 0, .4);
        }
        .m-hover{
            height: 200px;
            width: 100px;
            background: red;
            position: relative;

        }
        .m-hover:before{
            content: '';
            display: inline-block;
            background: gray;
            position: absolute;
            height: 100%;
            left: 0;
            right: 0;
            top: 100%;
            transition: top .3s ease;
        }
        .m-hover:hover:before{
            top:0;
        }
    </style>
</head>
<body>
<div class="circle">
    <div class="image-wrap "
         style="display: inline-block; background:url(../img/001.jpg) no-repeat center center; width: 129px; height: 129px;">

    </div>
</div>
<br/>
<h2>hover</h2>
<div class="m-hover">

</div>

</body>
</html>